000 003030000a22001450004500
060 _a100
082 _a630.685 ADV.13
100 _aNorman, A G
245 _aAdvances in agronomy V.13
260 _aNewyork, Academic press
260 _c1961
300 _a386
650 _aAgronomy
942 _cBK
999 _c347906
_d347906